Rainbow Electronics MAX5074 - Manual (Page 11)

MAX5074
Power IC with Integrated MOSFETs for Isolated IEEE
802.3af PD and Telecom Power-Supply Applications
______________________________________________________________________________________ 11
RTCT
SRC
CSS
GND
OPTO
PGND
CS
BST
XFRMRH XFRMRL
INBIAS
MAX5074
UVLO FLTINT DRVIN REGOUT RCFF RAMP
HVIN
DRNH
PPWM
R25 R24
R13
C12 C13
C9 R12
C1
U1
PGND VIN+
R21
R15
C14
C11
R22
C20
R23
R10
PGND
C7
C8 R6
C6
D1
D2
D5
R9
T1
C15
U2
FOD2712
E C
LED
FB
COMP
GND
C19
C10
R3
R1 R2
D3
L1
C17
C18
SGND V OUT
D4
Figure 3. Typical Application Circuit (48V Power Supply, Evaluation Kit Available)